From: Janet Davis (jlnd_at_cs.washington.edu)
Date: Sun Jan 11 2004 - 19:37:18 PST
The important thing to note is that it is not valid to send a packet with
TTL=0. This implies that when you get a packet with TTL=1, you should
process it if you are its destination---and then drop it if its TTL
becomes 0. You can generalize this rule to higher TTL values.
Cheers,
Janet
On Sun, 11 Jan 2004, Alissa Harrison wrote:
> Janet,
>
> My partner and I were discussing the specification for decrementing
> TTLs. We think that because there is ambiguity between when a TTL gets
> decremented that interoperability problems could arise. This would
> happen if one app decremented the TTL on the send while another
> decremented on the recieve of a packet (when talking to another student,
> we found we were disagreeing when to decrement). Shouldn't there be a
> clear guideline for the whole class?
>
> Alissa and Jon
-- Janet Davis jlnd_at_cs.washington.edu http://www.cs.washington.edu/homes/jlnd/ _______________________________________________ Cse461 mailing list Cse461_at_cs.washington.edu http://mailman.cs.washington.edu/mailman/listinfo/cse461
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